mainstays

• Agriculture is still the mainstay of the country's economy
  农业依然是国家的经济主要支柱。
• Exploring the mainstay of green sports value
  绿色体育价值支点探析
• Rural industrialization industrial mainstay for building new countryside
  新农村建设的产业支撑
• Loyal friends are a person's mainstay in time of troble
  忠诚的朋友是一个人在困难时的主要支柱。
• The automotive industry is the mainstay of the country's economy
  汽车工业是这个国家的经济支柱。
• The mainstay in community administration
  社区治理中的主体间性
• He is the mainstay of our theatre group
  他是我们剧组的台柱
• She is the mainstay of our workshop
  她是我们车间的主心骨。
• Agriculture is a mainstay of the economy
  农业是经济的支柱